429 papers
The subatomic world is a realm where matter behaves in ways that defy our everyday intuition, and this category explores the fundamental building blocks of our universe. From the intricate dance of quarks inside a proton to the strange properties of electrons, these studies reveal the deep rules that govern everything from the smallest particles to the largest stars.
At Gist.Science, we track every new preprint in this field as it appears on arXiv, ensuring you stay ahead of the curve. For each discovery, we provide both a clear, plain-language explanation of the core ideas and a detailed technical summary for those who want to dive deeper into the mathematics and methodology.
Below are the latest papers in Atom-Ph, offering fresh insights into the structure and behavior of the atomic scale.
This paper applies a tractable -matrix model to investigate the nuclear reaction processes, fusion rates, and sticking probabilities of the muonic molecule, specifically analyzing -wave fusion channels and charge symmetry violations in light of recently reported discrepancies in -wave astrophysical factors.
This paper presents classical and quantum simulations of an S-band RF photoinjector at the Joint Institute for Nuclear Research, demonstrating that the system can produce high-quality electron beams with low emittance and effectively preserve the orbital angular momentum of Laguerre-Gaussian wave packets during multi-MeV acceleration, thereby validating its suitability for future studies of relativistic vortex electrons.
This paper establishes a symmetry-based framework analogous to the Zeeman effect that unifies magnetic and electric dipole interactions by introducing a pseudo-angular momentum derived from the Runge-Lenz vector and an electric Landé -factor, thereby describing induced electric dipole moments as arising from circulating magnetic probability currents.
This paper numerically demonstrates that strong-field ionization in the x-ray stabilization regime exhibits quasiperiodic modulation of ionization yield due to Coulomb-induced electron wave packet oscillations and reveals unusual photon momentum sharing, effects that are observable in upcoming x-ray free-electron laser facilities.
This paper presents highly accurate theoretical predictions for the 5f_5/2 - 6p_1/2 clock transition energy in Cf17+ using a relativistic coupled-cluster framework that incorporates iterative triple excitations and quantum-electrodynamic corrections, thereby enabling the experimental realization of a highly charged ion optical clock.
This paper presents a sub-part-per-trillion precision measurement of the 2S-6P transition in atomic hydrogen that resolves discrepancies in the proton charge radius by confirming the muonic hydrogen value and validates the Standard Model and bound-state QED corrections to unprecedented levels of accuracy.
This paper presents a new technique for sympathetically cooling arbitrary charged particles in Penning traps using self-cooled electrons from a distant trap that decay to their motional ground state via cyclotron radiation, enabling ultra-low temperature tests of fundamental physics with initial results from the ELCOTRAP experiment at the Max Planck Institute for Nuclear Physics.
This paper demonstrates the first 3D-printed glass atomic vapour cell using vat polymerisation, showcasing its ability to achieve ultra-high vacuum and support advanced quantum applications like laser frequency stabilisation through integrated multi-material architectures and surface functionalisation.
This paper establishes a general framework for quantizing light-matter theories with time-dependent constraints, demonstrating that the irrotational gauge is uniquely suited for such scenarios while showing that the Coulomb gauge is not generally irrotational and thus lacks a special status in time-dependent interactions.
This study experimentally investigates Rydberg-mediated photon-photon interactions in cold-atom EIT systems, revealing distinct nonlinear spectral behaviors in three- and four-level configurations that are explained by conditional superatom and dephasing models respectively, thereby advancing the understanding of many-body physics and the development of unbiased microwave sensors.